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Dolgorukov MI, Mikhaĭlov AP, Fokin AA, Kulagin VI, Karelov VS, Pashchenko SA, Tikhonov OP.Dolgorukov MI, et al. Among authors: tikhonov op.Vestn Khir Im I I Grek. 1999;158(6):47-51.Vestn Khir Im I I Grek. 1999.PMID: 10709271Russian.